🚀 go-pugleaf

"Lapo Guidi" <lapoguidi@inwind.it> wrote in message
news:412a9c86@newsgroups.borland.com...

> Somebody can help me on using the buil-in CaptureThumbnail
> defined in shlobj.h to save a jpg thumbnail of a loaded html
> document inside a TCppWebBrowser?

    #include <utilcls.h>
    #include <mshtml.h>
    #include <memory>
    #include <jpeg.hpp>

    if( CppWebBrowser1->Document )
    {
        TComInterface<IHTMLDocument2> Doc;
        if(
SUCCEEDED(CppWebBrowser1->Document->QueryInterface(IID_IHTMLDocument2,
(LPVOID*)&Doc)) )
        {
            SIZE size = {100, 100};    // use whatever dimensions you
want...
            HBITMAP hThumb = NULL;
            TComInterface<IThumbnailCapture> Thumb;

            // sorry, I don't know how to obtain the actual
            // IThumbnailCapture instance, someone else
            // will have to help you with that part...

            if( SUCCEEDED(Thumb->CaptureThumbnail(&size, Doc, &hThumb)) )
            {
                std::auto_ptr<Graphics::TBitmap> Bmp(new Graphic::TBitmap);
                Bmp->Handle = hThumb;

                std::auto_ptr<TJPEGImage> Jpg(new TJPEGImage);
                Jpg->Assign(Bmp.get());
                // use Jpg as needed...
            }
        }
    }


Gambit